Pith Number

pith:2IEXBN6M

pith:2026:2IEXBN6MZTKCOLNZ2MOIDHWCPE

not attested not anchored not stored refs pending

Bi-Lipschitz extensions and outlier embeddings into trees

Arnold Filtser, Kristin Sheridan, Shuchi Chawla, Yoni Trachtenberg

arxiv:2601.15470 v3 · 2026-01-21 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IEXBN6MZTKCOLNZ2MOIDHWCPE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-25T00:18:12.395680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d20970b7ccccd4272db9d31c819ec2793b39c15b5760cc5030c6c5ab50b37d1a

Aliases

arxiv: 2601.15470 · arxiv_version: 2601.15470v3 · doi: 10.48550/arxiv.2601.15470 · pith_short_12: 2IEXBN6MZTKC · pith_short_16: 2IEXBN6MZTKCOLNZ · pith_short_8: 2IEXBN6M

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2IEXBN6MZTKCOLNZ2MOIDHWCPE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d20970b7ccccd4272db9d31c819ec2793b39c15b5760cc5030c6c5ab50b37d1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc555627d9e6178631eda62abcf88bfc3384dd2bf752b3dcd341cc39593c0159",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-01-21T21:09:18Z",
    "title_canon_sha256": "f70d843ef44489e722d87aa0ec97e0178242df4a3413ce90e917e6bae64fb163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.15470",
    "kind": "arxiv",
    "version": 3
  }
}